Class C23F : NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES
Subclass 1/36: Etching metallic material by chemical means Etching compositions (C23F 1/44 takes precedence) Aqueous compositions Alkaline compositions (C23F 1/42 takes precedence) for etching aluminium or alloys thereof
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12146070 | Eco-friendly hydrophobic or ultrahydrophobic coating method | Jan 29, 21 | Nov 19, 24 | POSTECH Research and Business Development Foundation |
| 12023710 | Fluorinated polymers for corrosion protection of metal | Jun 09, 21 | Jul 02, 24 | The Regents of the University of North Texas |
| 11913122 | Surface pattern forming method for aluminium product | Dec 01, 20 | Feb 27, 24 | Samsung Electronics Co. Ltd. |
| 11859119 | Chemical liquid and method for treating object to be treated | Sep 17, 21 | Jan 02, 24 | FUJIFILM Corporation |
| 11795535 | Aluminum-based coating for flat steel products for press mold hardening components, and method for producing same | Dec 27, 19 | Oct 24, 23 | SALZGITTER FLACHSTAHL GMBH |
| 11766847 | Multilayer plate with composite material and method for manufacturing the same | Apr 08, 21 | Sep 26, 23 | METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTRE |
| 11654516 | Aluminium multilayer brazing sheet for fluxfree brazing | Dec 10, 18 | May 23, 23 | CONSTELLIUM NEUF-BRISACH |
| 11542576 | Aluminium extrusion alloy suitable for etched and anodized components | Nov 30, 16 | Jan 03, 23 | Norsk Hydro ASA |
| 11536520 | Modified surface for condensation | Feb 02, 19 | Dec 27, 22 | INDIAN INSTITUTE OF TECHNOLOGY MADRAS (IIT MADRAS) |
| 11486394 | Method of manufacture of scroll compressors and scroll compressors manufactured thereby | Oct 17, 18 | Nov 01, 22 | HANON SYSTEMS |
| 11377745 | Stripping of coatings Al-containing coatings | Aug 21, 19 | Jul 05, 22 | OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON |
| 11229974 | Method of welding aluminum plated steel sheet | Nov 18, 16 | Jan 25, 22 | G-TEKT CORPORATION |
| 11220752 | Process for surface treatment of aluminum or aluminum alloys by an alkaline chemical bath | Nov 05, 19 | Jan 11, 22 | SIMET S.R.L. |
| 10710516 | Motor vehicle moulding ring made from aluminium/magnesium alloy | Jun 13, 14 | Jul 14, 20 | CONSTELLIUM SINGEN ROLLED PRODUCTS GMBH |
| 10654103 | Method of manufacturing a fin structure for heat exchanger | Sep 20, 18 | May 19, 20 | General Electric Company; Unison Industries LLC; |
| 10590543 | Method for surface-finishing plastically-deformed metal liner and metal liner surface-finished by the method | Feb 07, 19 | Mar 17, 20 | Samtech International Inc. |
| 10549458 | Mold, method for producing mold, anti-reflection film and method for producing anti-reflection film | Apr 09, 15 | Feb 04, 20 | 501 Sharp Kabushiki Kaisha |
| 10538851 | Coating method for clad steel and coating solution for coating clad steel | Mar 06, 19 | Jan 21, 20 | Hyundai Motor Company; Kia Motors Corporation; |
| 10506085 | Electronic product metal shell having antenna groove | Jun 23, 17 | Dec 10, 19 | BYD Company Limited |
| 10297465 | Selective metal/metal oxide etch process | Jan 13, 15 | May 21, 19 | Sachem Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0019,856 | SURFACE PREPARATION FOR ELECTROLYTIC INORGANIC FINISHES | Mar 28, 24 | Jan 16, 25 | Not available |
| 2024/0191,932 | ALUMINUM EXTERIOR PANEL AND METHOD FOR MANUFACTURING SAME | Feb 21, 24 | Jun 13, 24 | Samsung Electronics Co. Ltd. |
| 2021/0324,524 | STRIPPING OF COATINGS Al-CONTAINING COATINGS | Aug 21, 19 | Oct 21, 21 | Not available |
| 2021/0172,072 | METHOD FOR TREATING SURFACE OF ALUMINUM ARTICLE | Apr 16, 18 | Jun 10, 21 | EC-Showa Denko K.K. |
| 2021/0047,737 | System for Treating A Metal Substrate | Feb 08, 19 | Feb 18, 21 | PPG Industries Ohio, Inc. |
| 2017/0370,003 | METHOD FOR MANUFACTURING A METAL COMPONENT, METAL COMPONENT, AND TURBOCHARGER | Jan 21, 16 | Dec 28, 17 | BORGWARNER INC. |
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